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Related papers: Hard-Loop Dynamics of Non-Abelian Plasma Instabili…

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We perform classical-statistical real-time lattice simulations to compute real-time spectral functions and momentum broadening of quarks in the presence of strongly populated non-Abelian gauge fields. Based on a novel methodology to extract…

High Energy Physics - Lattice · Physics 2026-02-05 Harshit Pandey , Soeren Schlichting , Sayantan Sharma

We describe the relationship between time-ordered and retarded response functions in a plasma. We obtain an expression, including the proper $i\epsilon$-prescription, for the induced current due to hard thermal loops in a non-Abelian…

High Energy Physics - Phenomenology · Physics 2009-10-22 R. Jackiw , V. P. Nair

We show the evolution of a gluon plasma towards equilibrium starting at some early moment when the momentum distribution in the central region is momentaneously isotropic. Using HIJING results for Au+Au collision as initial input, we…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. M. H. Wong

We study the production and the evolution of quark-gluon plasma expected to be formed in ultra relativistic heavy-ion collisions, within the color flux-tube model. We introduce the gluonic component in the Boltzmann equation, which we solve…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gouranga C Nayak , V. Ravishankar

The quark-gluon plasma, which is produced at an early stage of ultrarelativistic heavy-ion collisions, is expected to be initially strongly populated with chromodynamic fields. We address the question how heavy quarks interact with such a…

Nuclear Theory · Physics 2018-04-18 Stanislaw Mrowczynski

We investigate the linear and nonlinear evolution of the ion-acoustic instability in a collisionless plasma via two-dimensional (2D2V) Vlasov-Poisson numerical simulations. We initialize the system in a stable state and gradually drive it…

Plasma Physics · Physics 2024-07-09 Zhuo Liu , Ryan White , Lucio M. Milanese , Nuno F. Loureiro

The nonlinear evolution of an ion ring instability in a low-beta magnetospheric plasma is considered. The evolution of the two-dimensional ring distribution is essentially quasilinear. Ignoring nonlinear processes the time-scale for the…

Plasma Physics · Physics 2015-05-27 M. Mithaiwala , L. Rudakov1 , G. Ganguli , C. Crabtree

We present real-time lattice simulation results for nonequilibrium quark production from an over-occupied gluon plasma in longitudinally expanding geometry. The quark number density per unit transverse area and rapidity shows almost linear…

High Energy Physics - Phenomenology · Physics 2019-02-20 Naoto Tanji , Juergen Berges

We perform numerical simulations of the QCD Boltzmann-Vlasov equation including both hard elastic particle collisions and soft interactions mediated by classical Yang-Mills fields. We provide an estimate of the coupling of jets to a hot…

High Energy Physics - Phenomenology · Physics 2008-11-26 Adrian Dumitru , Yasushi Nara , Bjoern Schenke , Michael Strickland

Valuable information on the dynamics of expanding fluids can be inferred from the response of such systems to perturbations in their initial geometry. We apply this technique in high-energy $^{96}$Ru+$^{96}$Ru and $^{96}$Zr+$^{96}$Zr…

Nuclear Theory · Physics 2023-06-27 Jiangyong Jia , Giuliano Giacalone , Chunjian Zhang

We follow Quark-gluon transport theory and analyse singularities of the ultra-relativistic and spherical expanding quark-gluon plasma. Within the linearized QCD oscillations and instabilities of the ultra-relativistic and spherical…

We calculate leading-order medium photon yields from a quark-gluon plasma using (3+1)-dimensional anisotropic hydrodynamics. Non-equilibrium corrections to the photon rate are taken into account using a self-consistent modification of the…

High Energy Physics - Phenomenology · Physics 2016-03-09 Lusaka Bhattacharya , Radoslaw Ryblewski , Michael Strickland

To achieve an understanding of the thermalization of a quark-gluon plasma, starting from QCD without using model assumptions, is a formidable task. We study the early stage dynamics of a relativistic heavy ion collision in the framework of…

High Energy Physics - Phenomenology · Physics 2016-05-31 Maximilian Attems , Owe Philipsen , Christian Schäfer , Björn Wagenbach , Savvas Zafeiropoulos

We evaluate the strangeness production from equilibrating and transversely expanding quark gluon plasma which may be created in the wake of relativistic heavy ion collisions. We consider boost invariant longitudinal and cylindrically…

Nuclear Theory · Physics 2009-11-07 Dipali Pal , Abhijit Sen , Munshi G. Mustafa , Dinesh K. Srivastava

Astrophysical and high-energy-density laboratory plasmas often have large-amplitude, sub-Larmor-scale electromagnetic fluctuations excited by various kinetic-streaming or anisotropy-driven instabilities. The Weibel (or the filamentation)…

High Energy Astrophysical Phenomena · Physics 2017-05-10 Mikhail V. Medvedev

We propose a quasi-particle model for the thermodynamic description of the gluon plasma which takes into account non-abelian characteristics of the gluonic field. This is accomplished utilizing massive non-linear plane wave solutions of the…

High Energy Physics - Phenomenology · Physics 2016-12-16 E. P. Politis , C. E. Tsagkarakis , F. K. Diakonos , X. N. Maintas , A. Tsapalis

The momentum distribution of particle production in heavy-ion collisions encodes information about thermalization processes in the early-stage quark-gluon plasma. We use kinetic theory to study the far-from-equilibrium evolution of an…

Nuclear Theory · Physics 2022-12-05 Jasmine Brewer , Weiyao Ke , Li Yan , Yi Yin

Over the last decade a fruitful interplay has developed between analyses of strongly coupled non-abelian plasmas via the gauge/string duality and the phenomenology of the quark-gluon plasma created in heavy ion collisions. I review the…

High Energy Physics - Theory · Physics 2015-05-28 David Mateos

The rapid thermalization of quarks and gluons in the initial stages of relativistic heavy-ion collisions is treated using analytic solutions of a nonlinear diffusion equation with schematic initial conditions, and for gluons with boundary…

High Energy Physics - Phenomenology · Physics 2020-05-04 Georg Wolschin

We employ a non-equilibrium Quantum Chromodynamics (QCD) kinetic description to study the kinetic and chemical equilibration of the Quark-Gluon Plasma (QGP) at weak coupling. Based on our numerical framework, which explicitly includes all…

High Energy Physics - Phenomenology · Physics 2021-09-22 Xiaojian Du , Sören Schlichting